Especiação de cromo em cimentos e derivados de cimento brasileiros Chromium speciation in cement and cement-related materials from Brazil

Especiação de cromo em cimentos e derivados de cimento brasileiros Chromium speciation in cement and cement-related materials from Brazil

<abstract language="eng">A method for determination of Cr(III) and Cr(VI) in cement and cement-related materials was studied. Molecular absorption spectrophotometry based on 1,5-diphenylcarbazide as chromogenic reagent was used for determination of Cr(VI) after alkaline extraction. T...

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Bibliographic Details
Main Authors: Wladiana Oliveira Matos, Joaquim Araújo Nóbrega
Format: Article
Language:English
Published: Sociedade Brasileira de Química 2009-01-01
Series:Química Nova
Subjects:
chromium
speciation
cement
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422009000800020

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